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12V 5.9 Cummins (89-97) Parts

If you have a 12V Cummins engine in your Dodge truck, you’re already familiar with the power and performance it’s capable of delivering. But there’s always a way to get a little bit more from it, which is why Powerhouse Diesel offers a wide selection of 12V Cummins parts to help you fine-tune it and keep it in good health. Whether you’re looking for 12V Cummins upgrades or just what you need for routine maintenance, you can trust our vast range of products to provide you with exactly what you want. Take a look at our 12 valve Cummins performance parts here on this page, then let us know if you have any questions:

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    OER Series New Fuel Injector 1996-1998 Dodge 5.9L Diesel 180HP (Automatic Transmission) and 1994-1995 Dodge 5.9L Diesel 175HP (Manual Transmission) XDP Xtreme Diesel Performance

    XDP
    $98.95 - $98.95
    $98.95
    $98.95 - $98.95
    $98.95

    XDP Model XD498The XDP OER Series New Fuel Injector XD498 from XDP replaces the failed fuel injector on your Dodge 5.9L Diesel. XDP OER Series Fuel...

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    $98.95 - $98.95
    $98.95
    $98.95 - $98.95
    $98.95
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    OER Series New Fuel Injector 1996-1998 Dodge 5.9L Diesel 215HP (Manual Transmission) XDP Xtreme Diesel Performance

    XDP
    $99.95 - $99.95
    $99.95
    $99.95 - $99.95
    $99.95

    XDP Model XD590Replace the failed injector on your 1996-1998 Dodge 5.9L Diesel 215HP (Manual Transmission) with the XDP OER Series New Fuel Injecto...

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    $99.95 - $99.95
    $99.95
    $99.95 - $99.95
    $99.95
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    XDP New Fuel Injector (Stock HP) 1989-1991 Dodge Cummins

    XDP
    $96.95 - $96.95
    $96.95
    $96.95 - $96.95
    $96.95

    XDP Model XD588Restore fuel system function in your 1989-1991 Dodge 5.9L Cummins (Non-Intercooled) with the New Fuel Injector (Stock HP) XD588. Thi...

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    $96.95 - $96.95
    $96.95
    $96.95 - $96.95
    $96.95
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    XDP Low-Profile Plastic Creeper XD395

    XDP
    $109.95 - $109.95
    $109.95
    $109.95 - $109.95
    $109.95

    XDP Model XD395Low-Profile Plastic Creeper Warranty Info: 2 Year / Unlimited Mileage

    $109.95 - $109.95
    $109.95
    $109.95 - $109.95
    $109.95
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    XDP Main Stud Kit 1994-1997 Dodge 5.9L Diesel

    XDP
    $259.95 - $259.95
    $259.95
    $259.95 - $259.95
    $259.95

    XDP Model XD3016MSSwap out the factory main bolts on your 1989-1998 Dodge 5.9L Diesel 12-Valve with the Main Stud Kit XD3016MS. The main studs feat...

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    $259.95 - $259.95
    $259.95
    $259.95 - $259.95
    $259.95
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    XDP HD High Output Alternator (New) Wrinkle Black XD510 For 1990-1998.5 Dodge 5.9L Cummins

    XDP
    $418.95 - $418.95
    $418.95
    $418.95 - $418.95
    $418.95

    XDP Model XD510The Wrinkle Black HD High Output Alternator XD510 will help enhance the charging system and engine compartment in your 1990-1998.5 D...

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    $418.95 - $418.95
    $418.95
    $418.95 - $418.95
    $418.95
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    M1 Monotube Rear Shocks 7.5-8 Inch Chevy Suburban 2500 (00-10) Rough Country

    Rough Country
    $179.95 - $179.95
    $179.95
    $179.95 - $179.95
    $179.95

    Whether you're tackling tough terrain or smooth city streets, Rough Country's Nitrogen-charged M1 Monotube Shock Absorber leads the way, delivering...

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    $179.95 - $179.95
    $179.95
    $179.95 - $179.95
    $179.95
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    Multi-Function Winch Cleat Rough Country

    Rough Country
    $49.95 - $49.95
    $49.95
    $49.95 - $49.95
    $49.95

    Complete any winch set up by replacing your standard winch hook with Rough Country’s stylized Multi-Function Winch Cleat. This cutting edge desig...

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    $49.95 - $49.95
    $49.95
    $49.95 - $49.95
    $49.95
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    6-inch Slimline Cree LED Light Bars Pair Rough Country

    Rough Country
    $79.95 - $79.95
    $79.95
    $79.95 - $79.95
    $79.95

    The sun never sets on a vehicle equipped with a pair of Rough Country's sleek 6-inch Slimline Cree LED Light Bars. With a powerful combined 4,880-...

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    $79.95 - $79.95
    $79.95
    $79.95 - $79.95
    $79.95
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    10-Inch Slimline Cree LED Light Bars Pair Rough Country

    Rough Country
    $109.95 - $109.95
    $109.95
    $109.95 - $109.95
    $109.95

    The sun never sets on a vehicle equipped with a pair of Rough Country's sleek 10-inch Slimline Cree LED Light Bars. With a powerful combined 8,000...

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    $109.95 - $109.95
    $109.95
    $109.95 - $109.95
    $109.95
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    Air Spring Spacer Kit Rough Country

    Rough Country
    $49.95 - $69.95
    $49.95
    $49.95 - $69.95
    $49.95

    Functionality and Use. When equipping your vehicle with airbags depending on your lift height an airbag spacer is a must-have to ensure that you a...

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    $49.95 - $69.95
    $49.95
    $49.95 - $69.95
    $49.95
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    20-inch Cree LED Light Bar Dual Row Chrome Series w/ Amber DRL Rough Country

    Rough Country
    $229.95 - $229.95
    $229.95
    $229.95 - $229.95
    $229.95

    Rough Country Model 70920DA The sun never sets on a vehicle equipped with Rough Country's sleek 20-inch LED Light Bar. With a powerful 18,000 Lumen...

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    $229.95 - $229.95
    $229.95
    $229.95 - $229.95
    $229.95
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    10-Inch Slimline Cree LED Light Bar Black Series Rough Country

    Rough Country
    $59.95 - $59.95
    $59.95
    $59.95 - $59.95
    $59.95

    The sun never sets on a vehicle equipped with Rough Country's sleek 10-inch Slimline Cree LED Light Bar. With a powerful 2,400-lumen 30-watt output...

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    $59.95 - $59.95
    $59.95
    $59.95 - $59.95
    $59.95
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    2 Inch Class III Multi-Ball Adjustable Hitch Rough Country

    Rough Country
    $149.95 - $149.95
    $149.95
    $149.95 - $149.95
    $149.95

    Have you experienced had issues with keeping your trailer level due to vehicle height or trailer height? Here at Rough Country we keep the motorist...

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    $149.95 - $149.95
    $149.95
    $149.95 - $149.95
    $149.95
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    Roof Top Tent Rack Mount 12 Volt Accessory and LED Light Kit Rough Country

    Rough Country
    $1,449.95 - $1,499.95
    $1,449.95
    $1,449.95 - $1,499.95
    $1,449.95

    Take your overlanding adventure to the next level of comfort with Roof Top Tent Rack Mount 12 Volt Accessory and LED Light Kit. This collapsible te...

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    $1,449.95 - $1,499.95
    $1,449.95
    $1,449.95 - $1,499.95
    $1,449.95
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    Curved Cree LED Light Bar 50 Inch Dual Row Black Series w/Cool White DRL Rough Country

    Rough Country
    $439.95 - $439.95
    $439.95
    $439.95 - $439.95
    $439.95

    Command The Darkness with Rough Country's jaw-droppingly powerful 50 Inch Dual Row Curved LED Light Bar with Cool White DRL. With a staggering 43,2...

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    $439.95 - $439.95
    $439.95
    $439.95 - $439.95
    $439.95
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    40-inch Curved Cree LED Light Bar - (Single Row Black Series) Rough Country

    Rough Country
    $224.95 - $224.95
    $224.95
    $224.95 - $224.95
    $224.95

    Command The Dark: Stay out later on the trails with Rough Country's powerful 40-inch Black-Series Dual Row Curved LED Light Bar. With a jaw-droppin...

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    $224.95 - $224.95
    $224.95
    $224.95 - $224.95
    $224.95
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    Cree LED Light Bar 20 Inch Dual Row Black Series w/Amber DRL Rough Country

    Rough Country
    $229.95 - $229.95
    $229.95
    $229.95 - $229.95
    $229.95

    The sun never sets on a vehicle equipped with Rough Country's sleek 20 Inch LED Light Bar. With a powerful 18,000 Lumen 200 Watt output, this LED l...

    View full details
    $229.95 - $229.95
    $229.95
    $229.95 - $229.95
    $229.95
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    40-inch Cree LED Light Bar - (Single Row Black Series) Rough Country

    Rough Country
    $219.95 - $219.95
    $219.95
    $219.95 - $219.95
    $219.95

    Command The Dark: Stay out later on the trails with Rough Country's powerful 40-inch Black-Series Dual Row Curved LED Light Bar. With a jaw-droppin...

    View full details
    $219.95 - $219.95
    $219.95
    $219.95 - $219.95
    $219.95
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    Hard Shell Roof Top Tent Rack Mount Rough Country

    Rough Country
    $1,999.95 - $1,999.95
    $1,999.95
    $1,999.95 - $1,999.95
    $1,999.95

    Convenience and Comfort. Camping has never been easier! Rough Country's Hard Shell Roof Top Tent sets up in minutes and lets you enjoy the adventur...

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    $1,999.95 - $1,999.95
    $1,999.95
    $1,999.95 - $1,999.95
    $1,999.95
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    Quick Release Hawse Fairlead License Plate Mount Rough Country

    Rough Country
    $24.95 - $24.95
    $24.95
    $24.95 - $24.95
    $24.95

    Take your vehicle from street legal to trail ready in a split second with Rough Country's Quick Release Hawse Fairlead License Plate Mount. Front m...

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    $24.95 - $24.95
    $24.95
    $24.95 - $24.95
    $24.95
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    3/4-inch Round U-bolts (4-1/6 x 17) Rough Country

    Rough Country
    $49.95 - $49.95
    $49.95
    $49.95 - $49.95
    $49.95

    Replace your worn out U-bolts with Rough Country's durable U-Bolt kits! Our steel U-Bolt kits are offered in a variety of sizes and styles to suit ...

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    $49.95 - $49.95
    $49.95
    $49.95 - $49.95
    $49.95
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    30-Inch Curved Cree LED Light Bar - Dual Row Chrome Series w/ Cool White DRL Rough Country

    Rough Country
    $314.95 - $314.95
    $314.95
    $314.95 - $314.95
    $314.95

    Command The Dark: Stay out later on the trails with Rough Country's 30-inch Dual Row CREE LED Light Bar with Cool White DRL. With a powerful 27,000...

    View full details
    $314.95 - $314.95
    $314.95
    $314.95 - $314.95
    $314.95
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    20-Inch Cree LED Light Bar - Dual Row Chrome Series w/ Cool White DRL Rough Country

    Rough Country
    $224.95 - $224.95
    $224.95
    $224.95 - $224.95
    $224.95

    The sun never sets on a vehicle equipped with Rough Country's sleek 20-inch LED Light Bar. With a powerful 18,000 Lumen 200 Watt output, this LED l...

    View full details
    $224.95 - $224.95
    $224.95
    $224.95 - $224.95
    $224.95

The Best 12V Cummins Performance Parts for Your Truck

When it comes to getting more out of your engine, having the right parts and products matter a lot. Fortunately, Powerhouse Diesel offers a huge inventory of offerings from many of the top names in the industry. From fuel filters and gaskets to transmissions and turbochargers, we’re your complete source for everything to boost what your engine is capable of delivering. We carry parts from leading brands including industrial injection, Smeding and fleece performance.

But it’s more than our extensive range of products that makes us the best place to shop. We understand that trying to sort through your options can be confusing at times, but our team of qualified experts has all the knowledge and expertise needed to help you narrow down your search. We can point you in the right direction and help you find the product that’s perfect for what you want. 

If you want to learn more about all the various 12V Cummins parts and accessories we have to offer, browse through our selection on this page or reach out to speak with an experienced member of our team today. 

Shop 12V Cummins Parts by Category

Browse parts for your 1989-1998 Dodge Ram 5.9L 12-valve Cummins by system below.

12V Cummins Fuel System & Injectors

Pump governor spring kits, delivery valves, fuel filters, and performance 
upgrades - plus 12V Cummins fuel injectors for stock replacement and 
high-power builds. Shop all 12V Cummins fuel system parts.

12V Cummins Engine Internals

Rod bearings, head studs, valve cover gaskets, and rebuild components 
from trusted suppliers. Browse 12V Cummins engine parts.

12V Cummins Intake & Cooling

Cold-air intakes, coolant filters, and intercooler upgrades to lower 
intake temps and protect your cooling system. Browse 12V Cummins 
intakes and cooling.

12V Cummins Transmissions

Rebuild kits, shift kits, and short tailshaft options for the NV4500 
and Getrag transmissions. Browse 12V Cummins transmissions.

12V Cummins Tuning

Tuning options for the 12-valve - from P-pump mechanical modifications 
to electronic tuning accessories. Browse 12V Cummins tuning.

12V Cummins Performance Packages

Bundled upgrade kits for specific horsepower targets - from daily 
driving to competition pulling. Browse 12V Cummins performance packages.

 

12V Cummins FAQs

  • The 12-valve 5.9L Cummins was produced from 1989 through 1998 in Dodge Ram 2500 and 3500 trucks. The 1994-1998 trucks used the P7100 injection pump and are the most sought-after for performance builds.

  • The 12-valve (1989-1998) uses a mechanical injection pump; the 24-valve (1998.5-2002) uses a VP44 electronic pump. The 12-valve is preferred for high-power builds because pump modifications require no tuning software. Have a 1998.5+ truck? Shop our 24V Cummins parts.

  • The P-pump governor spring kit is the cheapest and most impactful first modification. Pair it with matched injectors and a cold-air intake for strong results without opening the engine.

  • The most common issues are worn injection pump delivery valves (hard starts), cracked fuel return lines, worn cam position sensors (1994+), and head gasket failure on high-boost builds. All are well-supported by the aftermarket.

  • A well-maintained 12-valve 5.9L routinely reaches 400,000-500,000 miles. Trucks with 600,000+ miles on the original block are documented. Key factors: regular oil changes, clean fuel, and maintaining the injection pump fuel supply.

Powerhouse Diesel